{"entity":{"iso2":"NG","iso3":"NGA","name":"Nigeria","slug":"nigeria"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"number-of-people-in-the-world-with-and-without-access-to-improved-water-sources","source":"WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) \u2013 processed by Our World in Data","source_url":"https://ourworldindata.org/grapher/number-of-people-in-the-world-with-and-without-access-to-improved-water-sources","title":"People using improved drinking water sources","unit":"people"},"observations":[{"date":"2000-01-01","value":30840400.0},{"date":"2001-01-01","value":29972100.0},{"date":"2002-01-01","value":30044300.0},{"date":"2003-01-01","value":30100100.0},{"date":"2004-01-01","value":30138200.0},{"date":"2005-01-01","value":30152900.0},{"date":"2006-01-01","value":30141000.0},{"date":"2007-01-01","value":30106600.0},{"date":"2008-01-01","value":30048700.0},{"date":"2009-01-01","value":29964000.0},{"date":"2010-01-01","value":29851600.0},{"date":"2011-01-01","value":29713300.0},{"date":"2012-01-01","value":29537100.0},{"date":"2013-01-01","value":29313100.0},{"date":"2014-01-01","value":29036600.0},{"date":"2015-01-01","value":28697100.0},{"date":"2016-01-01","value":28307200.0},{"date":"2017-01-01","value":27872400.0},{"date":"2018-01-01","value":27370900.0},{"date":"2019-01-01","value":26804100.0},{"date":"2020-01-01","value":26187100.0},{"date":"2021-01-01","value":25528000.0},{"date":"2022-01-01","value":24834100.0},{"date":"2023-01-01","value":24106600.0},{"date":"2024-01-01","value":23340300.0}],"summary":{"latest_period":"2024-01-01","latest_value":23340300.0,"max":30840400.0,"mean":28480300.0,"min":23340300.0,"of":231,"rank":3,"trend":"falling"}}